import { createHash } from 'crypto';
import { v4 as uuidv4 } from 'uuid';

const hash = Symbol();
const sha256 = text => createHash('sha256').update(text).digest('base64');

class User {
	constructor(email = '', password = '') {
		this._id = uuidv4();
		this.email = email;
		this[hash] = sha256(password);
	}

	static fromDB(dbUser) {
		let user = new User();
		user._id = dbUser._id;
		user.email = dbUser.email;
		user[hash] = dbUser.hash;
		user.permissions = dbUser.permissions;

		return user;
	}

	toDB() {
		let user = new User();
		user._id = this._id;
		user.email = this.email;
		user.hash = this[hash];
		user.permissions = this.permissions;
		return user;
	}

	checkPassword(password) {
		return this[hash] == sha256(password);
	}
}

export default User;